A rabbi's son had just gotten his driving permit. He asked his father about use of the family car.
His father said, "I'll make a deal with you. You bring your grades up, study your Talmud a little, get your hair cut and then we'll talk about it."
After about a month, the boy came back and again asked his father about his use of the car. The rabbi said, "Son, I am very proud of you. You have brought your grades up, you've studied the Talmud diligently, but you didn't get your hair cut."
The young man replied, "You know Dad, I've been thinking about that. You know Samson had long hair, Moses had long hair, Noah had long hair, and even Jesus had long hair."
The Rabbi said, "Yes, and wherever they went, they walked.